Columbia Banking System, Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Columbia Banking System, Inc. filed 7 open-market sales worth $677,260 and 1 open-market purchase worth $22,478, on Form 4 with the SEC. The latest: Deer Aaron James, EVP Chief Strategy/Innov Offcr, bought 886 shares at $25.37 on 30 June 2026, filed 2 July 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 30 June 2026 | Deer Aaron James | EVP Chief Strategy/Innov Offcr | Purchase | 886 | $25.37 | $22,478 | Form 4 |
| 8 June 2026 | Moore Devine David | EVP Chief Marketing Officer | Sale | 60 | $29.77 | $1,786 | Form 4 |
| 8 June 2026 | Moore Devine David | EVP Chief Marketing Officer | Sale | 3,812 | $29.77 | $113,502 | Form 4 |
| 13 March 2026 | Lakely Brock | EVP, Chief Accounting Officer | Sale | 211 | $26.23 | $5,535 | Form 4 |
| 13 March 2026 | Baruffi Kumi Yamamoto | EVP General Counsel, Corp Sec | Sale | 937 | $26.23 | $24,578 | Form 4 |
| 4 March 2026 | Nixon Torran B | Senior Executive VP | Sale | 2,240 | $28.85 | $64,624 | Form 4 |
| 3 March 2026 | Nixon Torran B | Senior Executive VP | Sale | 2,241 | $28.25 | $63,308 | Form 4 |
| 30 January 2026 | Gardner Steven R | Director | Sale | 13,725 | $29.43 | $403,927 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Columbia Banking System, Inc.: the company's filing index.
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